body{
	margin: 0px;
}
.top{
	width: 100%;
	height: 40px;
	background: #D4D4D4;
	position: ;resize: ;
}
.top span{
	font-family: "楷体";
	font-weight: bold;
	font-size: 20px;
	position: absolute;
	left: 20px;
	line-height: 45px;
}
.bottom{
	width: 100%;
	height: 460px;
	background-color: #EDEDED;
	position: relative;
}
.bottom_left{
	width: 70%;
	height: 100%;
	position: relative;
	float: left;
}
.bottom_right{
	width: 30%;
	height: 100%;
	float: right;
}
